Home / 94,876.68-142,309.89-48,128.34

Finding the Fourth Proportional to 94,876.68, 142,309.89 and 48,128.34

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Solution

The fourth proportional to 94,876.68, 142,309.89 and 48,128.34 is: 72,189.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,876.68 : 142,309.89 = 48,128.34 : x
  2. Step 2: Convert to fraction form
    94,876.68/142,309.89 = 48,128.34/x
  3. Step 3: Cross multiply
    94,876.68x = 142,309.89 × 48,128.34
  4. Step 4: Simplify right side
    94,876.68x = 6,849,138,771.28
  5. Step 5: Solve for x
    x = 6,849,138,771.28/94,876.68
  6. Step 6: Final answer
    x = 72,189.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.